Question:

The cells lining the blood vessels belong to the category of

Updated On: Jul 13, 2024
  • smooth muscle tissue
  • squamous epithelium
  • columnar epithelium
  • connective tissue
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The Correct Option is B

Solution and Explanation

Simple squamous epithelium is composed of large flat cells whose edges fit closely together like the tiles in a floor, hence it is also called pavement epithelium. The nuclei of the cells are flattened and often lie at the centre of the cells and cause bulgings of cells surface. The epithelium lines the blood vessels, lymph vessels, heart, terminal bronchioles, alveoli of the lungs, walls of the Bowman's capsules, descending limbs of loop of Henle. In the blood vessels and heart it is called endothelium.
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Concepts Used:

Animal Tissues

Human bodies, like most animal bodies, are made up of four different types of tissue:

Epithelial Tissue:

This tissue forms the outer layer of the body and also lines many of the body's cavities where it has a protective function.

General functions of epithelial tissue:-

  1. Provides a barrier between the external environment and the organ that it is covering.
  2. Specialized to function in secretion and absorption.
  3. Protects organisms from microorganisms, injury, and fluid loss.

Connective Tissue:

This tissue assists in the support and protection of organs and limbs and depending on the location in the body it may join or separate organs or parts of the body.

Muscle Tissue:

This tissue enables various forms of movement, both voluntary and involuntary.

Nerve Tissue:

This tissue is responsible for the carrying of electrical and chemical signals and impulses from the brain and central nervous system to the periphery, and vice versa.